(19)
(11) EP 1 193 086 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.02.2003 Bulletin 2003/07

(43) Date of publication A2:
03.04.2002 Bulletin 2002/14

(21) Application number: 01123142.0

(22) Date of filing: 27.09.2001
(51) International Patent Classification (IPC)7B60C 17/06, B60C 11/00, B60C 15/02
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 28.09.2000 JP 2000297180

(71) Applicant: Sumitomo Rubber Industries Ltd.
Kobe-shi, Hyogo-ken (JP)

(72) Inventor:
  • Ikeda, Ikuji, c/o Sumitomo Rubber Industries, Ltd.
    Kobe-shi, Hyogo-ken (JP)

(74) Representative: Manitz, Finsterwald & Partner GbR 
Postfach 31 02 20
80102 München
80102 München (DE)

   


(54) A heavy-duty pneumatic radial tire and wheel rim assembly


(57) A heavy-duty pneumatic radial tire and rim assembly has a support ring (13) within the tire to support the tire in a deflated condition, wherein the inner diameter Di of the inside bead portion (4i) which is inside with respect to the vehicle is substantially 80 to 200mm larger than the inner diameter Do of the outside bead portion (4o).







Search report